Grouping Data __ Part 1
Explore how to use Pandas groupby to split data into groups by one or more columns, apply functions like sum to each group, and access grouped data with methods like get_group. This lesson helps you master key grouping operations essential for analyzing DataFrames.
We'll cover the following...
We'll cover the following...
groupby is not a single operation. Actually, it could be viewed as the following steps:
- Splitting data into groups based on some criteria.
- Applying an aggregation function on each group.
- Combining the results.
Group by one column
The simplest way to do this is to group data by one column and apply a ...